diff --git a/Gemfile.lock b/Gemfile.lock
index 5d5c193..f86ad53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,10 +88,11 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -100,6 +101,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.20.0)
     public_suffix (4.0.6)
+    racc (1.5.2)
     rack (2.2.3)
     rack-livereload (0.3.17)
       rack